Buffer overflow in Sharing-File Easy File Sharing Web Server

CVE-2018-18912

An issue was discovered in Easy File Sharing (EFS) Web Server 7.2. A stack-based buffer overflow vulnerability occurs when a malicious POST request has been made to forum.ghp upon creating a new topic in the forums, which allows remote attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.035 (88.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-18912: held from 0.035 to 0.035.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-18912?
CVE-2018-18912 is a critical-severity vulnerability in Sharing-File Easy File Sharing Web Server, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-05-13.
How severe is CVE-2018-18912?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-18912 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.